/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/DynamicMesh3.h
virtual [EMeshResult](API\Runtime\GeometryCore\UE__Geometry__EMeshResult) CollapseEdge ( int KeepVertID, int RemoveVertID, [FEdgeCollapseInfo](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3\FEdgeCollapseInfo) & CollapseInfo )